Individual Calculations March 2015
 Petrera, Salvatore  Total change: 11.00  Rating chartPersonal card
 Team 2015 - Nationale 3 - R4-5 FRANCE FRA 2015-01-11
RcRownchangeKK*chgGame
 1845 1627 1.00 2 0.55 20 11.00 
  Derian, Emmanuel 1879 FRA0.5010.31206.20 
  Danzanvilliers, Patrice 1811 FRA0.5010.24204.80 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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